ROLL.TXT: ROLL ANGLE ANCILLARY DATA FILE 

This file contains roll angle estimates history as derived from SIR-C 
null tracking algorithms developed by J. C. Curlander, et al. 
GMT is expressed as (YYYY/ddd:hh:mm:ss.s). 
Roll angles are expressed in degrees. 
         1         2         3         4         5         6         7 
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Data Take ID:                      173.50
Site Name:                         Beijing, China                 
Site ID:                           G85
No. of Ancillary Data Records:     27

       GMT          Roll Angle

1994/110:01:54:60.0    25.94
1994/110:01:55:06.9    25.97
1994/110:01:55:13.7    25.98
1994/110:01:55:20.6    25.98
1994/110:01:55:27.5    25.97
1994/110:01:55:34.3    25.97
1994/110:01:55:41.2    25.97
1994/110:01:55:48.1    25.99
1994/110:01:55:55.0    26.00
1994/110:01:56:01.8    26.00
1994/110:01:56:08.7    26.01
1994/110:01:56:15.6    26.04
1994/110:01:56:22.4    26.05
1994/110:01:56:29.3    26.07
1994/110:01:56:36.2    26.07
1994/110:01:56:43.0    26.05
1994/110:01:56:49.9    26.03
1994/110:01:56:56.8    26.02
1994/110:01:57:03.7    25.99
1994/110:01:57:10.5    25.99
1994/110:01:57:17.4    25.97
1994/110:01:57:24.3    25.96
1994/110:01:57:31.1    25.96
1994/110:01:57:38.0    25.95
1994/110:01:57:44.9    25.94
1994/110:01:57:51.8    25.95
1994/110:01:57:58.6    25.95